/Engine/Source/Runtime/SignalProcessing/Public/DSP/Filter.h
Biquad filter class which wraps a biquad filter struct Handles multi-channel audio to avoid calculating filter coefficients for multiple channels of audio.
class FBiquadFilter
float
Bandwidth
Current bandwidth/resonance of the filter.
bool
bEnabled
Whether or not this filter is enabled (will bypass otherwise)
FBiquad*
Biquad
Biquad filter objects for each channel.
EBiquadFilter::...
FilterType
What kind of filter to use when computing coefficients.
float
Frequency
Current frequency of the filter.
float
GainDB
The gain of the filter in DB (for filters that use gain)
int32
NumChannels
Number of channels in the filter.
float
SampleRate
The sample rate of the filter.